The world is in metacrisis. That means that many crises are occurring simultaneously and affecting one another. This calls for rethinking the nature of problem-solving. Root causes should be identified rather than merely treating their symptoms. Traditionally, problems have been tackled in isolation...
Climate change is a narrow view that looks only at one part of the whole.
I would not call that honest. Climate change is a big deal and is not a religion which demands that one acknowledge no other gods. It deserves a spot in that top-level list of big problems, whether or not "it's delusional" to think we'll do anything about it.